MakeItFrom.com
Menu (ESC)

PPO vs. PPSU

Both PPO and PPSU are thermoplastics. There are 18 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is PPO and the bottom bar is PPSU.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 3.5 to 28
26
Flexural Modulus, GPa 2.5 to 8.6
4.7
Flexural Strength, MPa 92 to 140
130
Impact Strength: Notched Izod, J/m 80 to 270
80
Tensile Strength: Ultimate (UTS), MPa 63 to 140
95

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 120 to 140
210
Maximum Temperature: Mechanical, °C 100 to 110
160
Specific Heat Capacity, J/kg-K 1020 to 1250
970
Thermal Expansion, µm/m-K 25 to 60
45

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 2.7 to 3.2
3.8
Dielectric Strength (Breakdown Potential), kV/mm 19 to 21
16
Electrical Dissipation At 1 Hz 0.0010 to 0.0020
0.0020
Electrical Resistivity Order of Magnitude, 10x Ω-m 15
14

Otherwise Unclassified Properties

Density, g/cm3 1.1 to 1.4
1.4
Limiting Oxygen Index (LOI), % 32
38
Water Absorption After 24 Hours, % 0.060 to 0.070
0.44

Common Calculations

Strength to Weight: Axial, points 16 to 27
19
Strength to Weight: Bending, points 33 to 42
33